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error[E0308]: `match` arms have incompatible types
--> $DIR/issue-101465.rs:20:18
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LL | / match true {
LL | | true => B,
| | - this is found to be of type `B`
LL | | false => C,
| | ^ expected `B`, found `C`
LL | |
LL | | }
| |_____- `match` arms have incompatible types
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help: you could change the return type to be a boxed trait object
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LL | fn foo() -> Box<dyn Tr> {
| ~~~~~~~ +
help: if you change the return type to expect trait objects, box the returned expressions
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LL ~ true => Box::new(B),
LL ~ false => Box::new(C),
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error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0308`.
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